Hoisting — When JavaScript Reads Before You Write 🪄 | var vs let vs const Explained
1:13
YouTubeDailyDev Dose
Hoisting — When JavaScript Reads Before You Write 🪄 | var vs let vs const Explained
Ever seen JavaScript run code before you write it? That’s hoisting — one of the most misunderstood parts of JS execution. In this short, we break down how functions, var, let, and const are hoisted differently, why the Temporal Dead Zone (TDZ) exists, and how a single var in a loop can crash production async code 😱. 🧠 Topics covered ...
152 views3 weeks ago
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